







| Operation | Code | Description | Applicable Series | Drive Type |
| Manual | BK | Rotary Plate![]() |
737L 747L |
To equip with servo motor for needle position function is optional and recommended. |
| Simplified Fully Auto | BKT | 1. Simplified type, back latch length 3cm. 2. With ECA cutter, needle plate suction channel for thread-end down turning . ![]() |
747L | 700L; Pneumatic type servo control system |
| Fully Auto | BKF1 | 1. With VT suction trimmer 2. Multi-operation mode setting 3. Thread-end side turning. Back latch length is adjustable (Min. 2.5cm) |
737L 747L |
BKF1; Pneumatic type servo control system |


Product Features of 700KQT ECM:
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General Seaming:
Designed with a blind upper looper and single row feed dog, this machine is ideal for regular seaming on light to medium fabrics, including mock 516 seaming. It supports five stitch types (504, 514, 516, 401, 644) by changing the number of needles and loopers. Perfect for small production workshops and fashion design studios.
Optional Devices: CT, VT, TUA (VT for 737L & 747L; CT for 757L & 767L) -
Fine Edging:
Offers precise edging for extra light to medium knit fabrics using a fine folding presser foot (suitable for falbala or handkerchief edging). Ideal for handkerchiefs and silk dresses.
Optional Devices: VT, TUA -
Tape Inserting:
Enables sewing of woven tape onto knitwear shoulders (e.g., T-shirts, sweaters) to prevent fabric stretching.
Optional Devices: EC, LFA, LS -
Blind Hemming:
Tailored for hemming sleeves and bottoms of T-shirts or underwear made from light to extra-light fabrics.
Optional Devices: VT, TUA -
Fishbone Stitch:
Ensures neat and flexible stitching for various fabric thicknesses and elasticity, offering widths of 5mm (left needle) or 3mm (right needle). Enhances appearance and comfort. Also supports seam peeling. -
Two-Thread to Three-Thread Conversion:
Allows easy adjustment between two or three threads for varying seam needs. -
Gathering:
Supports continuous or intermittent gathering on medium fabric with the option to add piping folders—ideal for shirts, curtains, and bed linens. -
Elastic Attaching:
Suitable for attaching elastic bands in underwear, swimwear, and sportswear. Offers mechanical (LFC-3) and electric (SMK1-A-01 & SMK1-A-02) tape feeding.
Presser Foot Options: P216 (2–13mm), P217 (2–20mm), P218 (2–30mm), WP219 (2–35mm) -
Spaghetti Sewing:
Forms knit fabric into spaghetti tubes for swimwear and nightgowns.
Standard Folder: 22mm tape width producing ~5mm tube. -
Back Latching Seaming:
Prevents seam looseness at the start of stitching by folding and inserting the thread, suitable for underwear and sportswear. -
Tape Inserting on Bulky Knitwear:
Prevents shoulder stretching on bulky knitwear like sweaters.
Max Tape Width: 1/4″ (6.35mm)
Optional Devices: TG/EC, LFA, LS -
Over Seaming on Bulky Knitwear:
Facilitates seaming on heavy knit fabrics like sweaters.
Optional Devices: 514H4 with CT, TUA -
Denim Overlock (516X-3):
Equipped with a special drive for overlocking denim fabrics in jeans and workwear.
Optional Devices: CT, TUA -
Pocket Binding:
Inserts extra tape to reinforce pocket edges with safety stitching—used in high-quality trousers.-
PS: 3/8” (9.5mm) standard folder
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TA: Two-needle chain stitch for 25.4mm tape width, finished width 6.4mm
Optional Devices: EC, FG (EC only for PS)
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